2102222210210 has 16 divisors (see below), whose sum is σ = 3784623173496. Its totient is φ = 840750396288.

The previous prime is 2102222210191. The next prime is 2102222210219. The reversal of 2102222210210 is 120122222012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1882721527129 + 219500683081 = 1372123^2 + 468509^2 .

It is a super-2 number, since 2×2102222210210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102222210219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17247209 + ... + 17368668.

Almost surely, 2^{2102222210210} is an apocalyptic number.

2102222210210 is a deficient number, since it is larger than the sum of its proper divisors (1682400963286).

2102222210210 is a wasteful number, since it uses less digits than its factorization.

2102222210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34621957.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102222210210 its reverse (120122222012), we get a palindrome (2222344432222).

The spelling of 2102222210210 in words is "two trillion, one hundred two billion, two hundred twenty-two million, two hundred ten thousand, two hundred ten".